JavaScript algorithms solving the Advent of Code challenges for 2020

In focusing on the algorithm implementation instead of data parsing through code, I opted to parse the data using Microsoft Excel and provide in each problem within an array 'dataSet'.

Files can be run using Node.js (after installing Node, execute 'node filename.js' from the command line in root folder).

Code developed and tested using Repl.it and not committed until confirmed working, producing correct answer.